"Thanks to state incentives, the long-range, lower-cost electric trucks are affordable. Widespread adoption could help California meet clean-trucking targets."

"Between 2000 and 2020, 42% of tree lines around the world crept upward, largely because of climate change. But 25% moved downhill, seemingly because of factors such as land use changes and wildfires."

"As states seek out much-needed supplies of clean, reliable energy, some are looking to an unconventional source: abandoned oil and gas wells harnessed for geothermal heat."

"The World Health Organization declared a new Ebola outbreak in the Democratic Republic of Congo and Uganda to be a "public health emergency of international concern" on Sunday."

"World Cup matches at open-air venues in North America this summer could be threatened by dangerous heat and humidity, a climate research group says."

"Seasonal models are predicting an El Nino climate pattern that could be the strongest on record, bringing with it more extreme weather."

"While Chinese companies continue to expand their dominance of clean energy industries, the data shows, their American counterparts are withdrawing from those sectors."